Home / 152,413.60-210,328.49-84,430.37

Finding the Fourth Proportional to 152,413.60, 210,328.49 and 84,430.37

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Solution

The fourth proportional to 152,413.60, 210,328.49 and 84,430.37 is: 116,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,413.60 : 210,328.49 = 84,430.37 : x
  2. Step 2: Convert to fraction form
    152,413.60/210,328.49 = 84,430.37/x
  3. Step 3: Cross multiply
    152,413.60x = 210,328.49 × 84,430.37
  4. Step 4: Simplify right side
    152,413.60x = 17,758,112,232.24
  5. Step 5: Solve for x
    x = 17,758,112,232.24/152,413.60
  6. Step 6: Final answer
    x = 116,512.65

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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.