Home / 94,280.79-130,106.43-70,189.47

Finding the Fourth Proportional to 94,280.79, 130,106.43 and 70,189.47

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Solution

The fourth proportional to 94,280.79, 130,106.43 and 70,189.47 is: 96,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,280.79 : 130,106.43 = 70,189.47 : x
  2. Step 2: Convert to fraction form
    94,280.79/130,106.43 = 70,189.47/x
  3. Step 3: Cross multiply
    94,280.79x = 130,106.43 × 70,189.47
  4. Step 4: Simplify right side
    94,280.79x = 9,132,100,714.76
  5. Step 5: Solve for x
    x = 9,132,100,714.76/94,280.79
  6. Step 6: Final answer
    x = 96,860.68

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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.