Home / 152,204.32-210,041.16-87,649.94

Finding the Fourth Proportional to 152,204.32, 210,041.16 and 87,649.94

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Solution

The fourth proportional to 152,204.32, 210,041.16 and 87,649.94 is: 120,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,204.32 : 210,041.16 = 87,649.94 : x
  2. Step 2: Convert to fraction form
    152,204.32/210,041.16 = 87,649.94/x
  3. Step 3: Cross multiply
    152,204.32x = 210,041.16 × 87,649.94
  4. Step 4: Simplify right side
    152,204.32x = 18,410,095,071.53
  5. Step 5: Solve for x
    x = 18,410,095,071.53/152,204.32
  6. Step 6: Final answer
    x = 120,956.46

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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.