Home / 97,148.22-134,064.82-56,320.30

Finding the Fourth Proportional to 97,148.22, 134,064.82 and 56,320.30

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Solution

The fourth proportional to 97,148.22, 134,064.82 and 56,320.30 is: 77,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,148.22 : 134,064.82 = 56,320.30 : x
  2. Step 2: Convert to fraction form
    97,148.22/134,064.82 = 56,320.30/x
  3. Step 3: Cross multiply
    97,148.22x = 134,064.82 × 56,320.30
  4. Step 4: Simplify right side
    97,148.22x = 7,550,570,881.85
  5. Step 5: Solve for x
    x = 7,550,570,881.85/97,148.22
  6. Step 6: Final answer
    x = 77,722.17

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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.