Home / 157,502.36-217,345.02-89,510.24

Finding the Fourth Proportional to 157,502.36, 217,345.02 and 89,510.24

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Solution

The fourth proportional to 157,502.36, 217,345.02 and 89,510.24 is: 123,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,502.36 : 217,345.02 = 89,510.24 : x
  2. Step 2: Convert to fraction form
    157,502.36/217,345.02 = 89,510.24/x
  3. Step 3: Cross multiply
    157,502.36x = 217,345.02 × 89,510.24
  4. Step 4: Simplify right side
    157,502.36x = 19,454,604,903.00
  5. Step 5: Solve for x
    x = 19,454,604,903.00/157,502.36
  6. Step 6: Final answer
    x = 123,519.45

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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.