Home / 109,501.04-164,294.49-42,929.78

Finding the Fourth Proportional to 109,501.04, 164,294.49 and 42,929.78

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Solution

The fourth proportional to 109,501.04, 164,294.49 and 42,929.78 is: 64,411.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,501.04 : 164,294.49 = 42,929.78 : x
  2. Step 2: Convert to fraction form
    109,501.04/164,294.49 = 42,929.78/x
  3. Step 3: Cross multiply
    109,501.04x = 164,294.49 × 42,929.78
  4. Step 4: Simplify right side
    109,501.04x = 7,053,125,489.44
  5. Step 5: Solve for x
    x = 7,053,125,489.44/109,501.04
  6. Step 6: Final answer
    x = 64,411.50

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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.