Home / 109,718.10-164,577.15-97,470.90

Finding the Fourth Proportional to 109,718.10, 164,577.15 and 97,470.90

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Solution

The fourth proportional to 109,718.10, 164,577.15 and 97,470.90 is: 146,206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,718.10 : 164,577.15 = 97,470.90 : x
  2. Step 2: Convert to fraction form
    109,718.10/164,577.15 = 97,470.90/x
  3. Step 3: Cross multiply
    109,718.10x = 164,577.15 × 97,470.90
  4. Step 4: Simplify right side
    109,718.10x = 16,041,482,929.94
  5. Step 5: Solve for x
    x = 16,041,482,929.94/109,718.10
  6. Step 6: Final answer
    x = 146,206.35

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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.