Home / 152,181.08-210,077.15-90,948.87

Finding the Fourth Proportional to 152,181.08, 210,077.15 and 90,948.87

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Solution

The fourth proportional to 152,181.08, 210,077.15 and 90,948.87 is: 125,549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,181.08 : 210,077.15 = 90,948.87 : x
  2. Step 2: Convert to fraction form
    152,181.08/210,077.15 = 90,948.87/x
  3. Step 3: Cross multiply
    152,181.08x = 210,077.15 × 90,948.87
  4. Step 4: Simplify right side
    152,181.08x = 19,106,278,950.58
  5. Step 5: Solve for x
    x = 19,106,278,950.58/152,181.08
  6. Step 6: Final answer
    x = 125,549.63

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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.