Home / 209,510.96-314,131.22-89,646.14

Finding the Fourth Proportional to 209,510.96, 314,131.22 and 89,646.14

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Solution

The fourth proportional to 209,510.96, 314,131.22 and 89,646.14 is: 134,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,510.96 : 314,131.22 = 89,646.14 : x
  2. Step 2: Convert to fraction form
    209,510.96/314,131.22 = 89,646.14/x
  3. Step 3: Cross multiply
    209,510.96x = 314,131.22 × 89,646.14
  4. Step 4: Simplify right side
    209,510.96x = 28,160,651,326.49
  5. Step 5: Solve for x
    x = 28,160,651,326.49/209,510.96
  6. Step 6: Final answer
    x = 134,411.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.