Home / 245,749.38-368,712.81-85,848.93

Finding the Fourth Proportional to 245,749.38, 368,712.81 and 85,848.93

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Solution

The fourth proportional to 245,749.38, 368,712.81 and 85,848.93 is: 128,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,749.38 : 368,712.81 = 85,848.93 : x
  2. Step 2: Convert to fraction form
    245,749.38/368,712.81 = 85,848.93/x
  3. Step 3: Cross multiply
    245,749.38x = 368,712.81 × 85,848.93
  4. Step 4: Simplify right side
    245,749.38x = 31,653,600,215.79
  5. Step 5: Solve for x
    x = 31,653,600,215.79/245,749.38
  6. Step 6: Final answer
    x = 128,804.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.