Home / 78,982.32-118,456.02-22,810.26

Finding the Fourth Proportional to 78,982.32, 118,456.02 and 22,810.26

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Solution

The fourth proportional to 78,982.32, 118,456.02 and 22,810.26 is: 34,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,982.32 : 118,456.02 = 22,810.26 : x
  2. Step 2: Convert to fraction form
    78,982.32/118,456.02 = 22,810.26/x
  3. Step 3: Cross multiply
    78,982.32x = 118,456.02 × 22,810.26
  4. Step 4: Simplify right side
    78,982.32x = 2,702,012,614.77
  5. Step 5: Solve for x
    x = 2,702,012,614.77/78,982.32
  6. Step 6: Final answer
    x = 34,210.35

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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.