Home / 218,864.15-302,032.50-118,262.15

Finding the Fourth Proportional to 218,864.15, 302,032.50 and 118,262.15

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Solution

The fourth proportional to 218,864.15, 302,032.50 and 118,262.15 is: 163,201.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,864.15 : 302,032.50 = 118,262.15 : x
  2. Step 2: Convert to fraction form
    218,864.15/302,032.50 = 118,262.15/x
  3. Step 3: Cross multiply
    218,864.15x = 302,032.50 × 118,262.15
  4. Step 4: Simplify right side
    218,864.15x = 35,719,011,309.71
  5. Step 5: Solve for x
    x = 35,719,011,309.71/218,864.15
  6. Step 6: Final answer
    x = 163,201.75

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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.