Home / 145,036.50-217,554.76-51,545.94

Finding the Fourth Proportional to 145,036.50, 217,554.76 and 51,545.94

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Solution

The fourth proportional to 145,036.50, 217,554.76 and 51,545.94 is: 77,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,036.50 : 217,554.76 = 51,545.94 : x
  2. Step 2: Convert to fraction form
    145,036.50/217,554.76 = 51,545.94/x
  3. Step 3: Cross multiply
    145,036.50x = 217,554.76 × 51,545.94
  4. Step 4: Simplify right side
    145,036.50x = 11,214,064,605.67
  5. Step 5: Solve for x
    x = 11,214,064,605.67/145,036.50
  6. Step 6: Final answer
    x = 77,318.91

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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.