Home / 112,970.52-155,834.55-70,455.24

Finding the Fourth Proportional to 112,970.52, 155,834.55 and 70,455.24

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Solution

The fourth proportional to 112,970.52, 155,834.55 and 70,455.24 is: 97,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,970.52 : 155,834.55 = 70,455.24 : x
  2. Step 2: Convert to fraction form
    112,970.52/155,834.55 = 70,455.24/x
  3. Step 3: Cross multiply
    112,970.52x = 155,834.55 × 70,455.24
  4. Step 4: Simplify right side
    112,970.52x = 10,979,360,620.54
  5. Step 5: Solve for x
    x = 10,979,360,620.54/112,970.52
  6. Step 6: Final answer
    x = 97,187.84

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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.