Home / 180,085.96-248,533.59-99,529.21

Finding the Fourth Proportional to 180,085.96, 248,533.59 and 99,529.21

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Solution

The fourth proportional to 180,085.96, 248,533.59 and 99,529.21 is: 137,358.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,085.96 : 248,533.59 = 99,529.21 : x
  2. Step 2: Convert to fraction form
    180,085.96/248,533.59 = 99,529.21/x
  3. Step 3: Cross multiply
    180,085.96x = 248,533.59 × 99,529.21
  4. Step 4: Simplify right side
    180,085.96x = 24,736,351,871.16
  5. Step 5: Solve for x
    x = 24,736,351,871.16/180,085.96
  6. Step 6: Final answer
    x = 137,358.58

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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.