Home / 152,637.46-210,646.73-84,650.38

Finding the Fourth Proportional to 152,637.46, 210,646.73 and 84,650.38

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Solution

The fourth proportional to 152,637.46, 210,646.73 and 84,650.38 is: 116,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,637.46 : 210,646.73 = 84,650.38 : x
  2. Step 2: Convert to fraction form
    152,637.46/210,646.73 = 84,650.38/x
  3. Step 3: Cross multiply
    152,637.46x = 210,646.73 × 84,650.38
  4. Step 4: Simplify right side
    152,637.46x = 17,831,326,134.00
  5. Step 5: Solve for x
    x = 17,831,326,134.00/152,637.46
  6. Step 6: Final answer
    x = 116,821.43

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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.