Home / 145,123.45-217,601.37-56,273.16

Finding the Fourth Proportional to 145,123.45, 217,601.37 and 56,273.16

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Solution

The fourth proportional to 145,123.45, 217,601.37 and 56,273.16 is: 84,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,123.45 : 217,601.37 = 56,273.16 : x
  2. Step 2: Convert to fraction form
    145,123.45/217,601.37 = 56,273.16/x
  3. Step 3: Cross multiply
    145,123.45x = 217,601.37 × 56,273.16
  4. Step 4: Simplify right side
    145,123.45x = 12,245,116,710.23
  5. Step 5: Solve for x
    x = 12,245,116,710.23/145,123.45
  6. Step 6: Final answer
    x = 84,377.24

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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.