Home / 108,929.60-163,411-55,592.45

Finding the Fourth Proportional to 108,929.60, 163,411 and 55,592.45

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Solution

The fourth proportional to 108,929.60, 163,411 and 55,592.45 is: 83,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,929.60 : 163,411 = 55,592.45 : x
  2. Step 2: Convert to fraction form
    108,929.60/163,411 = 55,592.45/x
  3. Step 3: Cross multiply
    108,929.60x = 163,411 × 55,592.45
  4. Step 4: Simplify right side
    108,929.60x = 9,084,417,846.95
  5. Step 5: Solve for x
    x = 9,084,417,846.95/108,929.60
  6. Step 6: Final answer
    x = 83,397.15

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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.