Home / 112,740.90-155,608.02-70,291.23

Finding the Fourth Proportional to 112,740.90, 155,608.02 and 70,291.23

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Solution

The fourth proportional to 112,740.90, 155,608.02 and 70,291.23 is: 97,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,740.90 : 155,608.02 = 70,291.23 : x
  2. Step 2: Convert to fraction form
    112,740.90/155,608.02 = 70,291.23/x
  3. Step 3: Cross multiply
    112,740.90x = 155,608.02 × 70,291.23
  4. Step 4: Simplify right side
    112,740.90x = 10,937,879,123.66
  5. Step 5: Solve for x
    x = 10,937,879,123.66/112,740.90
  6. Step 6: Final answer
    x = 97,017.84

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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.