Home / 110,741.18-152,840.32-70,412.90

Finding the Fourth Proportional to 110,741.18, 152,840.32 and 70,412.90

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Solution

The fourth proportional to 110,741.18, 152,840.32 and 70,412.90 is: 97,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,741.18 : 152,840.32 = 70,412.90 : x
  2. Step 2: Convert to fraction form
    110,741.18/152,840.32 = 70,412.90/x
  3. Step 3: Cross multiply
    110,741.18x = 152,840.32 × 70,412.90
  4. Step 4: Simplify right side
    110,741.18x = 10,761,929,227.89
  5. Step 5: Solve for x
    x = 10,761,929,227.89/110,741.18
  6. Step 6: Final answer
    x = 97,180.92

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1.5x scale

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.