Home / 141,332.70-212,030.22-78,244.80

Finding the Fourth Proportional to 141,332.70, 212,030.22 and 78,244.80

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Solution

The fourth proportional to 141,332.70, 212,030.22 and 78,244.80 is: 117,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,332.70 : 212,030.22 = 78,244.80 : x
  2. Step 2: Convert to fraction form
    141,332.70/212,030.22 = 78,244.80/x
  3. Step 3: Cross multiply
    141,332.70x = 212,030.22 × 78,244.80
  4. Step 4: Simplify right side
    141,332.70x = 16,590,262,157.86
  5. Step 5: Solve for x
    x = 16,590,262,157.86/141,332.70
  6. Step 6: Final answer
    x = 117,384.46

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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.