Home / 184,123.04-254,102.16-138,720.92

Finding the Fourth Proportional to 184,123.04, 254,102.16 and 138,720.92

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Solution

The fourth proportional to 184,123.04, 254,102.16 and 138,720.92 is: 191,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,123.04 : 254,102.16 = 138,720.92 : x
  2. Step 2: Convert to fraction form
    184,123.04/254,102.16 = 138,720.92/x
  3. Step 3: Cross multiply
    184,123.04x = 254,102.16 × 138,720.92
  4. Step 4: Simplify right side
    184,123.04x = 35,249,285,409.19
  5. Step 5: Solve for x
    x = 35,249,285,409.19/184,123.04
  6. Step 6: Final answer
    x = 191,444.19

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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.