Home / 138,130.48-206,187.29-118,534.96

Finding the Fourth Proportional to 138,130.48, 206,187.29 and 118,534.96

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Solution

The fourth proportional to 138,130.48, 206,187.29 and 118,534.96 is: 176,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,130.48 : 206,187.29 = 118,534.96 : x
  2. Step 2: Convert to fraction form
    138,130.48/206,187.29 = 118,534.96/x
  3. Step 3: Cross multiply
    138,130.48x = 206,187.29 × 118,534.96
  4. Step 4: Simplify right side
    138,130.48x = 24,440,402,172.66
  5. Step 5: Solve for x
    x = 24,440,402,172.66/138,130.48
  6. Step 6: Final answer
    x = 176,937.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.