Home / 152,208.12-210,106.08-136,264.86

Finding the Fourth Proportional to 152,208.12, 210,106.08 and 136,264.86

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Solution

The fourth proportional to 152,208.12, 210,106.08 and 136,264.86 is: 188,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,208.12 : 210,106.08 = 136,264.86 : x
  2. Step 2: Convert to fraction form
    152,208.12/210,106.08 = 136,264.86/x
  3. Step 3: Cross multiply
    152,208.12x = 210,106.08 × 136,264.86
  4. Step 4: Simplify right side
    152,208.12x = 28,630,075,576.35
  5. Step 5: Solve for x
    x = 28,630,075,576.35/152,208.12
  6. Step 6: Final answer
    x = 188,098.21

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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.