Home / 152,298.75-210,143.12-98,576.31

Finding the Fourth Proportional to 152,298.75, 210,143.12 and 98,576.31

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Solution

The fourth proportional to 152,298.75, 210,143.12 and 98,576.31 is: 136,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,298.75 : 210,143.12 = 98,576.31 : x
  2. Step 2: Convert to fraction form
    152,298.75/210,143.12 = 98,576.31/x
  3. Step 3: Cross multiply
    152,298.75x = 210,143.12 × 98,576.31
  4. Step 4: Simplify right side
    152,298.75x = 20,715,132,848.61
  5. Step 5: Solve for x
    x = 20,715,132,848.61/152,298.75
  6. Step 6: Final answer
    x = 136,016.43

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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.