Home / 136,345.56-188,153.18-75,916.24

Finding the Fourth Proportional to 136,345.56, 188,153.18 and 75,916.24

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Solution

The fourth proportional to 136,345.56, 188,153.18 and 75,916.24 is: 104,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,345.56 : 188,153.18 = 75,916.24 : x
  2. Step 2: Convert to fraction form
    136,345.56/188,153.18 = 75,916.24/x
  3. Step 3: Cross multiply
    136,345.56x = 188,153.18 × 75,916.24
  4. Step 4: Simplify right side
    136,345.56x = 14,283,881,969.64
  5. Step 5: Solve for x
    x = 14,283,881,969.64/136,345.56
  6. Step 6: Final answer
    x = 104,762.36

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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.