Home / 112,878.84-155,779.02-62,576.76

Finding the Fourth Proportional to 112,878.84, 155,779.02 and 62,576.76

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Solution

The fourth proportional to 112,878.84, 155,779.02 and 62,576.76 is: 86,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,878.84 : 155,779.02 = 62,576.76 : x
  2. Step 2: Convert to fraction form
    112,878.84/155,779.02 = 62,576.76/x
  3. Step 3: Cross multiply
    112,878.84x = 155,779.02 × 62,576.76
  4. Step 4: Simplify right side
    112,878.84x = 9,748,146,347.58
  5. Step 5: Solve for x
    x = 9,748,146,347.58/112,878.84
  6. Step 6: Final answer
    x = 86,359.38

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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.