Home / 100,328.86-150,518.40-70,804.36

Finding the Fourth Proportional to 100,328.86, 150,518.40 and 70,804.36

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Solution

The fourth proportional to 100,328.86, 150,518.40 and 70,804.36 is: 106,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,328.86 : 150,518.40 = 70,804.36 : x
  2. Step 2: Convert to fraction form
    100,328.86/150,518.40 = 70,804.36/x
  3. Step 3: Cross multiply
    100,328.86x = 150,518.40 × 70,804.36
  4. Step 4: Simplify right side
    100,328.86x = 10,657,358,980.22
  5. Step 5: Solve for x
    x = 10,657,358,980.22/100,328.86
  6. Step 6: Final answer
    x = 106,224.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.