Home / 156,973.65-234,968.40-112,686.90

Finding the Fourth Proportional to 156,973.65, 234,968.40 and 112,686.90

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Solution

The fourth proportional to 156,973.65, 234,968.40 and 112,686.90 is: 168,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,973.65 : 234,968.40 = 112,686.90 : x
  2. Step 2: Convert to fraction form
    156,973.65/234,968.40 = 112,686.90/x
  3. Step 3: Cross multiply
    156,973.65x = 234,968.40 × 112,686.90
  4. Step 4: Simplify right side
    156,973.65x = 26,477,860,593.96
  5. Step 5: Solve for x
    x = 26,477,860,593.96/156,973.65
  6. Step 6: Final answer
    x = 168,677.10

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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.