Home / 145,726.04-218,248.86-112,179.92

Finding the Fourth Proportional to 145,726.04, 218,248.86 and 112,179.92

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Solution

The fourth proportional to 145,726.04, 218,248.86 and 112,179.92 is: 168,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,726.04 : 218,248.86 = 112,179.92 : x
  2. Step 2: Convert to fraction form
    145,726.04/218,248.86 = 112,179.92/x
  3. Step 3: Cross multiply
    145,726.04x = 218,248.86 × 112,179.92
  4. Step 4: Simplify right side
    145,726.04x = 24,483,139,654.89
  5. Step 5: Solve for x
    x = 24,483,139,654.89/145,726.04
  6. Step 6: Final answer
    x = 168,007.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.