Home / 112,810.32-169,215.48-57,445.20

Finding the Fourth Proportional to 112,810.32, 169,215.48 and 57,445.20

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Solution

The fourth proportional to 112,810.32, 169,215.48 and 57,445.20 is: 86,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,810.32 : 169,215.48 = 57,445.20 : x
  2. Step 2: Convert to fraction form
    112,810.32/169,215.48 = 57,445.20/x
  3. Step 3: Cross multiply
    112,810.32x = 169,215.48 × 57,445.20
  4. Step 4: Simplify right side
    112,810.32x = 9,720,617,091.70
  5. Step 5: Solve for x
    x = 9,720,617,091.70/112,810.32
  6. Step 6: Final answer
    x = 86,167.80

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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.