Home / 99,545.37-137,370.54-54,224.16

Finding the Fourth Proportional to 99,545.37, 137,370.54 and 54,224.16

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Solution

The fourth proportional to 99,545.37, 137,370.54 and 54,224.16 is: 74,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.37 : 137,370.54 = 54,224.16 : x
  2. Step 2: Convert to fraction form
    99,545.37/137,370.54 = 54,224.16/x
  3. Step 3: Cross multiply
    99,545.37x = 137,370.54 × 54,224.16
  4. Step 4: Simplify right side
    99,545.37x = 7,448,802,140.25
  5. Step 5: Solve for x
    x = 7,448,802,140.25/99,545.37
  6. Step 6: Final answer
    x = 74,828.21

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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.