Home / 118,389.20-163,350.24-70,633.28

Finding the Fourth Proportional to 118,389.20, 163,350.24 and 70,633.28

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Solution

The fourth proportional to 118,389.20, 163,350.24 and 70,633.28 is: 97,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,389.20 : 163,350.24 = 70,633.28 : x
  2. Step 2: Convert to fraction form
    118,389.20/163,350.24 = 70,633.28/x
  3. Step 3: Cross multiply
    118,389.20x = 163,350.24 × 70,633.28
  4. Step 4: Simplify right side
    118,389.20x = 11,537,963,239.99
  5. Step 5: Solve for x
    x = 11,537,963,239.99/118,389.20
  6. Step 6: Final answer
    x = 97,457.90

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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.