Home / 153,494.93-210,288.82-147,742.20

Finding the Fourth Proportional to 153,494.93, 210,288.82 and 147,742.20

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Solution

The fourth proportional to 153,494.93, 210,288.82 and 147,742.20 is: 202,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,494.93 : 210,288.82 = 147,742.20 : x
  2. Step 2: Convert to fraction form
    153,494.93/210,288.82 = 147,742.20/x
  3. Step 3: Cross multiply
    153,494.93x = 210,288.82 × 147,742.20
  4. Step 4: Simplify right side
    153,494.93x = 31,068,532,902.20
  5. Step 5: Solve for x
    x = 31,068,532,902.20/153,494.93
  6. Step 6: Final answer
    x = 202,407.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.