Home / 99,144.48-136,827.63-56,711.19

Finding the Fourth Proportional to 99,144.48, 136,827.63 and 56,711.19

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Solution

The fourth proportional to 99,144.48, 136,827.63 and 56,711.19 is: 78,266.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144.48 : 136,827.63 = 56,711.19 : x
  2. Step 2: Convert to fraction form
    99,144.48/136,827.63 = 56,711.19/x
  3. Step 3: Cross multiply
    99,144.48x = 136,827.63 × 56,711.19
  4. Step 4: Simplify right side
    99,144.48x = 7,759,657,722.18
  5. Step 5: Solve for x
    x = 7,759,657,722.18/99,144.48
  6. Step 6: Final answer
    x = 78,266.16

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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.