Home / 189,337.02-261,272.16-104,455.50

Finding the Fourth Proportional to 189,337.02, 261,272.16 and 104,455.50

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Solution

The fourth proportional to 189,337.02, 261,272.16 and 104,455.50 is: 144,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,337.02 : 261,272.16 = 104,455.50 : x
  2. Step 2: Convert to fraction form
    189,337.02/261,272.16 = 104,455.50/x
  3. Step 3: Cross multiply
    189,337.02x = 261,272.16 × 104,455.50
  4. Step 4: Simplify right side
    189,337.02x = 27,291,314,108.88
  5. Step 5: Solve for x
    x = 27,291,314,108.88/189,337.02
  6. Step 6: Final answer
    x = 144,141.46

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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.