Home / 94,550.40-142,036.80-78,998.40

Finding the Fourth Proportional to 94,550.40, 142,036.80 and 78,998.40

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Solution

The fourth proportional to 94,550.40, 142,036.80 and 78,998.40 is: 118,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,550.40 : 142,036.80 = 78,998.40 : x
  2. Step 2: Convert to fraction form
    94,550.40/142,036.80 = 78,998.40/x
  3. Step 3: Cross multiply
    94,550.40x = 142,036.80 × 78,998.40
  4. Step 4: Simplify right side
    94,550.40x = 11,220,679,941.12
  5. Step 5: Solve for x
    x = 11,220,679,941.12/94,550.40
  6. Step 6: Final answer
    x = 118,674.06

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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.