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Finding the Fourth Proportional to 147,041.01, 220,206.28 and 83,669.14

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Solution

The fourth proportional to 147,041.01, 220,206.28 and 83,669.14 is: 125,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,041.01 : 220,206.28 = 83,669.14 : x
  2. Step 2: Convert to fraction form
    147,041.01/220,206.28 = 83,669.14/x
  3. Step 3: Cross multiply
    147,041.01x = 220,206.28 × 83,669.14
  4. Step 4: Simplify right side
    147,041.01x = 18,424,470,070.20
  5. Step 5: Solve for x
    x = 18,424,470,070.20/147,041.01
  6. Step 6: Final answer
    x = 125,301.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.