Home / 145,062.06-217,435.65-56,289.42

Finding the Fourth Proportional to 145,062.06, 217,435.65 and 56,289.42

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Solution

The fourth proportional to 145,062.06, 217,435.65 and 56,289.42 is: 84,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,062.06 : 217,435.65 = 56,289.42 : x
  2. Step 2: Convert to fraction form
    145,062.06/217,435.65 = 56,289.42/x
  3. Step 3: Cross multiply
    145,062.06x = 217,435.65 × 56,289.42
  4. Step 4: Simplify right side
    145,062.06x = 12,239,326,625.82
  5. Step 5: Solve for x
    x = 12,239,326,625.82/145,062.06
  6. Step 6: Final answer
    x = 84,373.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.