Home / 103,048.04-142,217.70-57,733.40

Finding the Fourth Proportional to 103,048.04, 142,217.70 and 57,733.40

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Solution

The fourth proportional to 103,048.04, 142,217.70 and 57,733.40 is: 79,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,048.04 : 142,217.70 = 57,733.40 : x
  2. Step 2: Convert to fraction form
    103,048.04/142,217.70 = 57,733.40/x
  3. Step 3: Cross multiply
    103,048.04x = 142,217.70 × 57,733.40
  4. Step 4: Simplify right side
    103,048.04x = 8,210,711,361.18
  5. Step 5: Solve for x
    x = 8,210,711,361.18/103,048.04
  6. Step 6: Final answer
    x = 79,678.48

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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.