Home / 149,434.68-224,152.02-86,351.16

Finding the Fourth Proportional to 149,434.68, 224,152.02 and 86,351.16

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Solution

The fourth proportional to 149,434.68, 224,152.02 and 86,351.16 is: 129,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,434.68 : 224,152.02 = 86,351.16 : x
  2. Step 2: Convert to fraction form
    149,434.68/224,152.02 = 86,351.16/x
  3. Step 3: Cross multiply
    149,434.68x = 224,152.02 × 86,351.16
  4. Step 4: Simplify right side
    149,434.68x = 19,355,786,943.34
  5. Step 5: Solve for x
    x = 19,355,786,943.34/149,434.68
  6. Step 6: Final answer
    x = 129,526.74

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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.