Home / 213,139.40-294,130.77-117,646.07

Finding the Fourth Proportional to 213,139.40, 294,130.77 and 117,646.07

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Solution

The fourth proportional to 213,139.40, 294,130.77 and 117,646.07 is: 162,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,139.40 : 294,130.77 = 117,646.07 : x
  2. Step 2: Convert to fraction form
    213,139.40/294,130.77 = 117,646.07/x
  3. Step 3: Cross multiply
    213,139.40x = 294,130.77 × 117,646.07
  4. Step 4: Simplify right side
    213,139.40x = 34,603,329,156.57
  5. Step 5: Solve for x
    x = 34,603,329,156.57/213,139.40
  6. Step 6: Final answer
    x = 162,350.69

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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.