Home / 152,248.68-210,085.65-87,727.32

Finding the Fourth Proportional to 152,248.68, 210,085.65 and 87,727.32

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Solution

The fourth proportional to 152,248.68, 210,085.65 and 87,727.32 is: 121,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,248.68 : 210,085.65 = 87,727.32 : x
  2. Step 2: Convert to fraction form
    152,248.68/210,085.65 = 87,727.32/x
  3. Step 3: Cross multiply
    152,248.68x = 210,085.65 × 87,727.32
  4. Step 4: Simplify right side
    152,248.68x = 18,430,251,044.96
  5. Step 5: Solve for x
    x = 18,430,251,044.96/152,248.68
  6. Step 6: Final answer
    x = 121,053.60

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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.