Home / 84,916.16-127,206.04-58,196.48

Finding the Fourth Proportional to 84,916.16, 127,206.04 and 58,196.48

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Solution

The fourth proportional to 84,916.16, 127,206.04 and 58,196.48 is: 87,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,916.16 : 127,206.04 = 58,196.48 : x
  2. Step 2: Convert to fraction form
    84,916.16/127,206.04 = 58,196.48/x
  3. Step 3: Cross multiply
    84,916.16x = 127,206.04 × 58,196.48
  4. Step 4: Simplify right side
    84,916.16x = 7,402,943,762.74
  5. Step 5: Solve for x
    x = 7,402,943,762.74/84,916.16
  6. Step 6: Final answer
    x = 87,179.45

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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.