Home / 152,421.20-210,341.21-84,442.59

Finding the Fourth Proportional to 152,421.20, 210,341.21 and 84,442.59

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Solution

The fourth proportional to 152,421.20, 210,341.21 and 84,442.59 is: 116,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,421.20 : 210,341.21 = 84,442.59 : x
  2. Step 2: Convert to fraction form
    152,421.20/210,341.21 = 84,442.59/x
  3. Step 3: Cross multiply
    152,421.20x = 210,341.21 × 84,442.59
  4. Step 4: Simplify right side
    152,421.20x = 17,761,756,133.92
  5. Step 5: Solve for x
    x = 17,761,756,133.92/152,421.20
  6. Step 6: Final answer
    x = 116,530.75

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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.