Home / 102,649.30-153,973.95-97,837.90

Finding the Fourth Proportional to 102,649.30, 153,973.95 and 97,837.90

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Solution

The fourth proportional to 102,649.30, 153,973.95 and 97,837.90 is: 146,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,649.30 : 153,973.95 = 97,837.90 : x
  2. Step 2: Convert to fraction form
    102,649.30/153,973.95 = 97,837.90/x
  3. Step 3: Cross multiply
    102,649.30x = 153,973.95 × 97,837.90
  4. Step 4: Simplify right side
    102,649.30x = 15,064,487,922.71
  5. Step 5: Solve for x
    x = 15,064,487,922.71/102,649.30
  6. Step 6: Final answer
    x = 146,756.85

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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.