Home / 112,729.02-169,113.02-37,856.40

Finding the Fourth Proportional to 112,729.02, 169,113.02 and 37,856.40

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Solution

The fourth proportional to 112,729.02, 169,113.02 and 37,856.40 is: 56,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,729.02 : 169,113.02 = 37,856.40 : x
  2. Step 2: Convert to fraction form
    112,729.02/169,113.02 = 37,856.40/x
  3. Step 3: Cross multiply
    112,729.02x = 169,113.02 × 37,856.40
  4. Step 4: Simplify right side
    112,729.02x = 6,402,010,130.33
  5. Step 5: Solve for x
    x = 6,402,010,130.33/112,729.02
  6. Step 6: Final answer
    x = 56,791.15

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1.5x scale

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.