Home / 138,852.02-191,472.46-118,775.36

Finding the Fourth Proportional to 138,852.02, 191,472.46 and 118,775.36

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Solution

The fourth proportional to 138,852.02, 191,472.46 and 118,775.36 is: 163,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,852.02 : 191,472.46 = 118,775.36 : x
  2. Step 2: Convert to fraction form
    138,852.02/191,472.46 = 118,775.36/x
  3. Step 3: Cross multiply
    138,852.02x = 191,472.46 × 118,775.36
  4. Step 4: Simplify right side
    138,852.02x = 22,742,210,548.33
  5. Step 5: Solve for x
    x = 22,742,210,548.33/138,852.02
  6. Step 6: Final answer
    x = 163,787.39

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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.