Home / 160,354.32-221,285.64-88,730.04

Finding the Fourth Proportional to 160,354.32, 221,285.64 and 88,730.04

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Solution

The fourth proportional to 160,354.32, 221,285.64 and 88,730.04 is: 122,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,354.32 : 221,285.64 = 88,730.04 : x
  2. Step 2: Convert to fraction form
    160,354.32/221,285.64 = 88,730.04/x
  3. Step 3: Cross multiply
    160,354.32x = 221,285.64 × 88,730.04
  4. Step 4: Simplify right side
    160,354.32x = 19,634,683,688.63
  5. Step 5: Solve for x
    x = 19,634,683,688.63/160,354.32
  6. Step 6: Final answer
    x = 122,445.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.