Home / 112,267.28-168,312.64-56,078.40

Finding the Fourth Proportional to 112,267.28, 168,312.64 and 56,078.40

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Solution

The fourth proportional to 112,267.28, 168,312.64 and 56,078.40 is: 84,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267.28 : 168,312.64 = 56,078.40 : x
  2. Step 2: Convert to fraction form
    112,267.28/168,312.64 = 56,078.40/x
  3. Step 3: Cross multiply
    112,267.28x = 168,312.64 × 56,078.40
  4. Step 4: Simplify right side
    112,267.28x = 9,438,703,550.98
  5. Step 5: Solve for x
    x = 9,438,703,550.98/112,267.28
  6. Step 6: Final answer
    x = 84,073.50

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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.