Home / 145,225.40-217,794.90-56,427.80

Finding the Fourth Proportional to 145,225.40, 217,794.90 and 56,427.80

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Solution

The fourth proportional to 145,225.40, 217,794.90 and 56,427.80 is: 84,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,225.40 : 217,794.90 = 56,427.80 : x
  2. Step 2: Convert to fraction form
    145,225.40/217,794.90 = 56,427.80/x
  3. Step 3: Cross multiply
    145,225.40x = 217,794.90 × 56,427.80
  4. Step 4: Simplify right side
    145,225.40x = 12,289,687,058.22
  5. Step 5: Solve for x
    x = 12,289,687,058.22/145,225.40
  6. Step 6: Final answer
    x = 84,624.91

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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.