Home / 123,903.02-170,994.62-70,188.47

Finding the Fourth Proportional to 123,903.02, 170,994.62 and 70,188.47

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Solution

The fourth proportional to 123,903.02, 170,994.62 and 70,188.47 is: 96,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,903.02 : 170,994.62 = 70,188.47 : x
  2. Step 2: Convert to fraction form
    123,903.02/170,994.62 = 70,188.47/x
  3. Step 3: Cross multiply
    123,903.02x = 170,994.62 × 70,188.47
  4. Step 4: Simplify right side
    123,903.02x = 12,001,851,482.20
  5. Step 5: Solve for x
    x = 12,001,851,482.20/123,903.02
  6. Step 6: Final answer
    x = 96,864.89

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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.