Home / 152,478.30-210,421.29-84,496.41

Finding the Fourth Proportional to 152,478.30, 210,421.29 and 84,496.41

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Solution

The fourth proportional to 152,478.30, 210,421.29 and 84,496.41 is: 116,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,478.30 : 210,421.29 = 84,496.41 : x
  2. Step 2: Convert to fraction form
    152,478.30/210,421.29 = 84,496.41/x
  3. Step 3: Cross multiply
    152,478.30x = 210,421.29 × 84,496.41
  4. Step 4: Simplify right side
    152,478.30x = 17,779,843,592.57
  5. Step 5: Solve for x
    x = 17,779,843,592.57/152,478.30
  6. Step 6: Final answer
    x = 116,605.73

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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.