Home / 152,655.09-210,630.35-88,110.69

Finding the Fourth Proportional to 152,655.09, 210,630.35 and 88,110.69

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Solution

The fourth proportional to 152,655.09, 210,630.35 and 88,110.69 is: 121,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,655.09 : 210,630.35 = 88,110.69 : x
  2. Step 2: Convert to fraction form
    152,655.09/210,630.35 = 88,110.69/x
  3. Step 3: Cross multiply
    152,655.09x = 210,630.35 × 88,110.69
  4. Step 4: Simplify right side
    152,655.09x = 18,558,785,032.89
  5. Step 5: Solve for x
    x = 18,558,785,032.89/152,655.09
  6. Step 6: Final answer
    x = 121,573.31

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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.