Home / 111,030.90-153,272.68-70,798.74

Finding the Fourth Proportional to 111,030.90, 153,272.68 and 70,798.74

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Solution

The fourth proportional to 111,030.90, 153,272.68 and 70,798.74 is: 97,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,030.90 : 153,272.68 = 70,798.74 : x
  2. Step 2: Convert to fraction form
    111,030.90/153,272.68 = 70,798.74/x
  3. Step 3: Cross multiply
    111,030.90x = 153,272.68 × 70,798.74
  4. Step 4: Simplify right side
    111,030.90x = 10,851,512,620.42
  5. Step 5: Solve for x
    x = 10,851,512,620.42/111,030.90
  6. Step 6: Final answer
    x = 97,734.17

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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.