Home / 152,303.76-210,178.80-88,683.66

Finding the Fourth Proportional to 152,303.76, 210,178.80 and 88,683.66

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Solution

The fourth proportional to 152,303.76, 210,178.80 and 88,683.66 is: 122,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,303.76 : 210,178.80 = 88,683.66 : x
  2. Step 2: Convert to fraction form
    152,303.76/210,178.80 = 88,683.66/x
  3. Step 3: Cross multiply
    152,303.76x = 210,178.80 × 88,683.66
  4. Step 4: Simplify right side
    152,303.76x = 18,639,425,238.41
  5. Step 5: Solve for x
    x = 18,639,425,238.41/152,303.76
  6. Step 6: Final answer
    x = 122,383.22

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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.