Home / 152,726.08-210,718.88-99,013.44

Finding the Fourth Proportional to 152,726.08, 210,718.88 and 99,013.44

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Solution

The fourth proportional to 152,726.08, 210,718.88 and 99,013.44 is: 136,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,726.08 : 210,718.88 = 99,013.44 : x
  2. Step 2: Convert to fraction form
    152,726.08/210,718.88 = 99,013.44/x
  3. Step 3: Cross multiply
    152,726.08x = 210,718.88 × 99,013.44
  4. Step 4: Simplify right side
    152,726.08x = 20,864,001,181.75
  5. Step 5: Solve for x
    x = 20,864,001,181.75/152,726.08
  6. Step 6: Final answer
    x = 136,610.60

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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.