Home / 133,045.80-183,603.27-72,615.34

Finding the Fourth Proportional to 133,045.80, 183,603.27 and 72,615.34

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Solution

The fourth proportional to 133,045.80, 183,603.27 and 72,615.34 is: 100,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,045.80 : 183,603.27 = 72,615.34 : x
  2. Step 2: Convert to fraction form
    133,045.80/183,603.27 = 72,615.34/x
  3. Step 3: Cross multiply
    133,045.80x = 183,603.27 × 72,615.34
  4. Step 4: Simplify right side
    133,045.80x = 13,332,413,876.16
  5. Step 5: Solve for x
    x = 13,332,413,876.16/133,045.80
  6. Step 6: Final answer
    x = 100,209.21

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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.