Home / 157,629.16-217,526.34-90,561.16

Finding the Fourth Proportional to 157,629.16, 217,526.34 and 90,561.16

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Solution

The fourth proportional to 157,629.16, 217,526.34 and 90,561.16 is: 124,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,629.16 : 217,526.34 = 90,561.16 : x
  2. Step 2: Convert to fraction form
    157,629.16/217,526.34 = 90,561.16/x
  3. Step 3: Cross multiply
    157,629.16x = 217,526.34 × 90,561.16
  4. Step 4: Simplify right side
    157,629.16x = 19,699,437,680.95
  5. Step 5: Solve for x
    x = 19,699,437,680.95/157,629.16
  6. Step 6: Final answer
    x = 124,973.31

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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.