Home / 213,130.86-294,116.10-116,331.52

Finding the Fourth Proportional to 213,130.86, 294,116.10 and 116,331.52

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Solution

The fourth proportional to 213,130.86, 294,116.10 and 116,331.52 is: 160,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,130.86 : 294,116.10 = 116,331.52 : x
  2. Step 2: Convert to fraction form
    213,130.86/294,116.10 = 116,331.52/x
  3. Step 3: Cross multiply
    213,130.86x = 294,116.10 × 116,331.52
  4. Step 4: Simplify right side
    213,130.86x = 34,214,972,969.47
  5. Step 5: Solve for x
    x = 34,214,972,969.47/213,130.86
  6. Step 6: Final answer
    x = 160,535.05

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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.