Home / 147,320.14-203,303.13-89,178.21

Finding the Fourth Proportional to 147,320.14, 203,303.13 and 89,178.21

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Solution

The fourth proportional to 147,320.14, 203,303.13 and 89,178.21 is: 123,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,320.14 : 203,303.13 = 89,178.21 : x
  2. Step 2: Convert to fraction form
    147,320.14/203,303.13 = 89,178.21/x
  3. Step 3: Cross multiply
    147,320.14x = 203,303.13 × 89,178.21
  4. Step 4: Simplify right side
    147,320.14x = 18,130,209,220.80
  5. Step 5: Solve for x
    x = 18,130,209,220.80/147,320.14
  6. Step 6: Final answer
    x = 123,066.74

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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.