Home / 152,155.29-209,903.55-98,457.66

Finding the Fourth Proportional to 152,155.29, 209,903.55 and 98,457.66

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Solution

The fourth proportional to 152,155.29, 209,903.55 and 98,457.66 is: 135,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,155.29 : 209,903.55 = 98,457.66 : x
  2. Step 2: Convert to fraction form
    152,155.29/209,903.55 = 98,457.66/x
  3. Step 3: Cross multiply
    152,155.29x = 209,903.55 × 98,457.66
  4. Step 4: Simplify right side
    152,155.29x = 20,666,612,358.69
  5. Step 5: Solve for x
    x = 20,666,612,358.69/152,155.29
  6. Step 6: Final answer
    x = 135,825.79

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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.