Home / 152,317.89-210,200.34-84,336.10

Finding the Fourth Proportional to 152,317.89, 210,200.34 and 84,336.10

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Solution

The fourth proportional to 152,317.89, 210,200.34 and 84,336.10 is: 116,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,317.89 : 210,200.34 = 84,336.10 : x
  2. Step 2: Convert to fraction form
    152,317.89/210,200.34 = 84,336.10/x
  3. Step 3: Cross multiply
    152,317.89x = 210,200.34 × 84,336.10
  4. Step 4: Simplify right side
    152,317.89x = 17,727,477,675.36
  5. Step 5: Solve for x
    x = 17,727,477,675.36/152,317.89
  6. Step 6: Final answer
    x = 116,384.74

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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.