Home / 152,284.34-210,149.88-84,299.90

Finding the Fourth Proportional to 152,284.34, 210,149.88 and 84,299.90

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Solution

The fourth proportional to 152,284.34, 210,149.88 and 84,299.90 is: 116,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,284.34 : 210,149.88 = 84,299.90 : x
  2. Step 2: Convert to fraction form
    152,284.34/210,149.88 = 84,299.90/x
  3. Step 3: Cross multiply
    152,284.34x = 210,149.88 × 84,299.90
  4. Step 4: Simplify right side
    152,284.34x = 17,715,612,818.26
  5. Step 5: Solve for x
    x = 17,715,612,818.26/152,284.34
  6. Step 6: Final answer
    x = 116,332.47

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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.