Home / 158,347.01-218,516.66-90,385.53

Finding the Fourth Proportional to 158,347.01, 218,516.66 and 90,385.53

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Solution

The fourth proportional to 158,347.01, 218,516.66 and 90,385.53 is: 124,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,347.01 : 218,516.66 = 90,385.53 : x
  2. Step 2: Convert to fraction form
    158,347.01/218,516.66 = 90,385.53/x
  3. Step 3: Cross multiply
    158,347.01x = 218,516.66 × 90,385.53
  4. Step 4: Simplify right side
    158,347.01x = 19,750,744,127.93
  5. Step 5: Solve for x
    x = 19,750,744,127.93/158,347.01
  6. Step 6: Final answer
    x = 124,730.77

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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.