Home / 112,846.40-155,657.22-72,612.44

Finding the Fourth Proportional to 112,846.40, 155,657.22 and 72,612.44

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Solution

The fourth proportional to 112,846.40, 155,657.22 and 72,612.44 is: 100,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,846.40 : 155,657.22 = 72,612.44 : x
  2. Step 2: Convert to fraction form
    112,846.40/155,657.22 = 72,612.44/x
  3. Step 3: Cross multiply
    112,846.40x = 155,657.22 × 72,612.44
  4. Step 4: Simplify right side
    112,846.40x = 11,302,650,547.82
  5. Step 5: Solve for x
    x = 11,302,650,547.82/112,846.40
  6. Step 6: Final answer
    x = 100,159.60

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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.