Home / 154,225.08-212,853.42-97,641.72

Finding the Fourth Proportional to 154,225.08, 212,853.42 and 97,641.72

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Solution

The fourth proportional to 154,225.08, 212,853.42 and 97,641.72 is: 134,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,225.08 : 212,853.42 = 97,641.72 : x
  2. Step 2: Convert to fraction form
    154,225.08/212,853.42 = 97,641.72/x
  3. Step 3: Cross multiply
    154,225.08x = 212,853.42 × 97,641.72
  4. Step 4: Simplify right side
    154,225.08x = 20,783,374,036.68
  5. Step 5: Solve for x
    x = 20,783,374,036.68/154,225.08
  6. Step 6: Final answer
    x = 134,760.01

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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.