Home / 152,315.81-210,199.86-84,338.74

Finding the Fourth Proportional to 152,315.81, 210,199.86 and 84,338.74

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Solution

The fourth proportional to 152,315.81, 210,199.86 and 84,338.74 is: 116,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,315.81 : 210,199.86 = 84,338.74 : x
  2. Step 2: Convert to fraction form
    152,315.81/210,199.86 = 84,338.74/x
  3. Step 3: Cross multiply
    152,315.81x = 210,199.86 × 84,338.74
  4. Step 4: Simplify right side
    152,315.81x = 17,727,990,420.95
  5. Step 5: Solve for x
    x = 17,727,990,420.95/152,315.81
  6. Step 6: Final answer
    x = 116,389.69

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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.