Home / 112,811.84-155,679.84-62,510.72

Finding the Fourth Proportional to 112,811.84, 155,679.84 and 62,510.72

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Solution

The fourth proportional to 112,811.84, 155,679.84 and 62,510.72 is: 86,264.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,811.84 : 155,679.84 = 62,510.72 : x
  2. Step 2: Convert to fraction form
    112,811.84/155,679.84 = 62,510.72/x
  3. Step 3: Cross multiply
    112,811.84x = 155,679.84 × 62,510.72
  4. Step 4: Simplify right side
    112,811.84x = 9,731,658,887.88
  5. Step 5: Solve for x
    x = 9,731,658,887.88/112,811.84
  6. Step 6: Final answer
    x = 86,264.52

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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.