Home / 113,740.86-156,967.84-63,430.14

Finding the Fourth Proportional to 113,740.86, 156,967.84 and 63,430.14

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Solution

The fourth proportional to 113,740.86, 156,967.84 and 63,430.14 is: 87,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,740.86 : 156,967.84 = 63,430.14 : x
  2. Step 2: Convert to fraction form
    113,740.86/156,967.84 = 63,430.14/x
  3. Step 3: Cross multiply
    113,740.86x = 156,967.84 × 63,430.14
  4. Step 4: Simplify right side
    113,740.86x = 9,956,492,066.70
  5. Step 5: Solve for x
    x = 9,956,492,066.70/113,740.86
  6. Step 6: Final answer
    x = 87,536.63

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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.