Home / 124,044.04-171,107.68-78,030.32

Finding the Fourth Proportional to 124,044.04, 171,107.68 and 78,030.32

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Solution

The fourth proportional to 124,044.04, 171,107.68 and 78,030.32 is: 107,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,044.04 : 171,107.68 = 78,030.32 : x
  2. Step 2: Convert to fraction form
    124,044.04/171,107.68 = 78,030.32/x
  3. Step 3: Cross multiply
    124,044.04x = 171,107.68 × 78,030.32
  4. Step 4: Simplify right side
    124,044.04x = 13,351,587,024.86
  5. Step 5: Solve for x
    x = 13,351,587,024.86/124,044.04
  6. Step 6: Final answer
    x = 107,635.86

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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.