Home / 147,777.90-221,666.85-88,680.30

Finding the Fourth Proportional to 147,777.90, 221,666.85 and 88,680.30

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Solution

The fourth proportional to 147,777.90, 221,666.85 and 88,680.30 is: 133,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,777.90 : 221,666.85 = 88,680.30 : x
  2. Step 2: Convert to fraction form
    147,777.90/221,666.85 = 88,680.30/x
  3. Step 3: Cross multiply
    147,777.90x = 221,666.85 × 88,680.30
  4. Step 4: Simplify right side
    147,777.90x = 19,657,482,758.06
  5. Step 5: Solve for x
    x = 19,657,482,758.06/147,777.90
  6. Step 6: Final answer
    x = 133,020.45

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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.