Home / 145,088.04-200,227.74-80,557.28

Finding the Fourth Proportional to 145,088.04, 200,227.74 and 80,557.28

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Solution

The fourth proportional to 145,088.04, 200,227.74 and 80,557.28 is: 111,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088.04 : 200,227.74 = 80,557.28 : x
  2. Step 2: Convert to fraction form
    145,088.04/200,227.74 = 80,557.28/x
  3. Step 3: Cross multiply
    145,088.04x = 200,227.74 × 80,557.28
  4. Step 4: Simplify right side
    145,088.04x = 16,129,802,114.95
  5. Step 5: Solve for x
    x = 16,129,802,114.95/145,088.04
  6. Step 6: Final answer
    x = 111,172.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.