Home / 112,698.04-169,079.10-56,470.36

Finding the Fourth Proportional to 112,698.04, 169,079.10 and 56,470.36

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Solution

The fourth proportional to 112,698.04, 169,079.10 and 56,470.36 is: 84,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,698.04 : 169,079.10 = 56,470.36 : x
  2. Step 2: Convert to fraction form
    112,698.04/169,079.10 = 56,470.36/x
  3. Step 3: Cross multiply
    112,698.04x = 169,079.10 × 56,470.36
  4. Step 4: Simplify right side
    112,698.04x = 9,547,957,645.48
  5. Step 5: Solve for x
    x = 9,547,957,645.48/112,698.04
  6. Step 6: Final answer
    x = 84,721.59

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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.