Home / 147,985.60-221,856.90-63,810.40

Finding the Fourth Proportional to 147,985.60, 221,856.90 and 63,810.40

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Solution

The fourth proportional to 147,985.60, 221,856.90 and 63,810.40 is: 95,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,985.60 : 221,856.90 = 63,810.40 : x
  2. Step 2: Convert to fraction form
    147,985.60/221,856.90 = 63,810.40/x
  3. Step 3: Cross multiply
    147,985.60x = 221,856.90 × 63,810.40
  4. Step 4: Simplify right side
    147,985.60x = 14,156,777,531.76
  5. Step 5: Solve for x
    x = 14,156,777,531.76/147,985.60
  6. Step 6: Final answer
    x = 95,663.21

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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.