Home / 103,090.02-142,261.81-60,651.28

Finding the Fourth Proportional to 103,090.02, 142,261.81 and 60,651.28

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Solution

The fourth proportional to 103,090.02, 142,261.81 and 60,651.28 is: 83,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,090.02 : 142,261.81 = 60,651.28 : x
  2. Step 2: Convert to fraction form
    103,090.02/142,261.81 = 60,651.28/x
  3. Step 3: Cross multiply
    103,090.02x = 142,261.81 × 60,651.28
  4. Step 4: Simplify right side
    103,090.02x = 8,628,360,871.62
  5. Step 5: Solve for x
    x = 8,628,360,871.62/103,090.02
  6. Step 6: Final answer
    x = 83,697.34

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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.