Home / 113,590.04-156,780.98-70,602

Finding the Fourth Proportional to 113,590.04, 156,780.98 and 70,602

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Solution

The fourth proportional to 113,590.04, 156,780.98 and 70,602 is: 97,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,590.04 : 156,780.98 = 70,602 : x
  2. Step 2: Convert to fraction form
    113,590.04/156,780.98 = 70,602/x
  3. Step 3: Cross multiply
    113,590.04x = 156,780.98 × 70,602
  4. Step 4: Simplify right side
    113,590.04x = 11,069,050,396.95
  5. Step 5: Solve for x
    x = 11,069,050,396.95/113,590.04
  6. Step 6: Final answer
    x = 97,447.37

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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.