Home / 112,649.04-169,005.42-56,421.24

Finding the Fourth Proportional to 112,649.04, 169,005.42 and 56,421.24

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Solution

The fourth proportional to 112,649.04, 169,005.42 and 56,421.24 is: 84,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,649.04 : 169,005.42 = 56,421.24 : x
  2. Step 2: Convert to fraction form
    112,649.04/169,005.42 = 56,421.24/x
  3. Step 3: Cross multiply
    112,649.04x = 169,005.42 × 56,421.24
  4. Step 4: Simplify right side
    112,649.04x = 9,535,495,363.12
  5. Step 5: Solve for x
    x = 9,535,495,363.12/112,649.04
  6. Step 6: Final answer
    x = 84,647.82

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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.