Home / 130,159.02-195,168.37-70,219.63

Finding the Fourth Proportional to 130,159.02, 195,168.37 and 70,219.63

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Solution

The fourth proportional to 130,159.02, 195,168.37 and 70,219.63 is: 105,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,159.02 : 195,168.37 = 70,219.63 : x
  2. Step 2: Convert to fraction form
    130,159.02/195,168.37 = 70,219.63/x
  3. Step 3: Cross multiply
    130,159.02x = 195,168.37 × 70,219.63
  4. Step 4: Simplify right side
    130,159.02x = 13,704,650,729.10
  5. Step 5: Solve for x
    x = 13,704,650,729.10/130,159.02
  6. Step 6: Final answer
    x = 105,291.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.