Home / 104,658.04-144,430.82-56,914.20

Finding the Fourth Proportional to 104,658.04, 144,430.82 and 56,914.20

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Solution

The fourth proportional to 104,658.04, 144,430.82 and 56,914.20 is: 78,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658.04 : 144,430.82 = 56,914.20 : x
  2. Step 2: Convert to fraction form
    104,658.04/144,430.82 = 56,914.20/x
  3. Step 3: Cross multiply
    104,658.04x = 144,430.82 × 56,914.20
  4. Step 4: Simplify right side
    104,658.04x = 8,220,164,575.64
  5. Step 5: Solve for x
    x = 8,220,164,575.64/104,658.04
  6. Step 6: Final answer
    x = 78,543.08

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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.