Home / 152,407.72-210,325.64-91,216.92

Finding the Fourth Proportional to 152,407.72, 210,325.64 and 91,216.92

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Solution

The fourth proportional to 152,407.72, 210,325.64 and 91,216.92 is: 125,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,407.72 : 210,325.64 = 91,216.92 : x
  2. Step 2: Convert to fraction form
    152,407.72/210,325.64 = 91,216.92/x
  3. Step 3: Cross multiply
    152,407.72x = 210,325.64 × 91,216.92
  4. Step 4: Simplify right side
    152,407.72x = 19,185,257,077.83
  5. Step 5: Solve for x
    x = 19,185,257,077.83/152,407.72
  6. Step 6: Final answer
    x = 125,881.14

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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.